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Goodwill and Intangible Assets
 9 Months Ended
Sep. 28, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
Goodwill by reportable segment was as follows (in thousands):
Probe CardsSystemsTotal
Goodwill, as of December 31, 2022$178,424 $33,020 $211,444 
Reduction - FRT divestiture— (10,660)(10,660)
Foreign currency translation— 306 306 
Goodwill, as of December 30, 2023
178,424 22,666 201,090 
Reduction - China divestiture(1,055)(62)(1,117)
Foreign currency translation— 164 164 
Goodwill, as of September 28, 2024
$177,369 $22,768 $200,137 

We have not recorded goodwill impairments for the nine months ended September 28, 2024.

Intangible assets were as follows (in thousands):
September 28, 2024December 30, 2023
Intangible Assets GrossAccumulated
Amortization		NetGrossAccumulated
Amortization		Net
Existing developed technologies $159,724 $149,923 $9,801 $159,593 $148,445 $11,148 
Trade name7,823 7,776 47 7,808 7,728 80 
Customer relationships48,060 47,291 769 48,022 46,712 1,310 
In-process research and development400 — 400 400 — 400 
$216,007 $204,990 $11,017 $215,823 $202,885 $12,938 

Amortization expense was included in our Condensed Consolidated Statements of Income as follows (in thousands):
 Three Months EndedNine Months Ended
 September 28,
2024		September 30,
2023		September 28,
2024		September 30,
2023
Cost of revenues$449 $837 $1,347 $2,506 
Selling, general and administrative191 440 573 3,537 
$640 $1,277 $1,920 $6,043 
The estimated future amortization of definite-lived intangible assets, excluding in-process research and development, is as follows (in thousands):
Fiscal YearAmount
Remainder of 2024
$640 
20252,330 
20261,630 
20271,630 
20281,630 
Thereafter2,757 
$10,617